63780535052855 has 32 divisors (see below), whose sum is σ = 78017647417920. Its totient is φ = 50041313720320.

The previous prime is 63780535052813. The next prime is 63780535052921. The reversal of 63780535052855 is 55825053508736.

It is not a de Polignac number, because 63780535052855 - 2⁶ = 63780535052791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214432319 + ... + 214729551.

It is an arithmetic number, because the mean of its divisors is an integer number (2438051481810).

Almost surely, 2^{63780535052855} is an apocalyptic number.

63780535052855 is a deficient number, since it is larger than the sum of its proper divisors (14237112365065).

63780535052855 is a wasteful number, since it uses less digits than its factorization.

63780535052855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299011.

The product of its (nonzero) digits is 151200000, while the sum is 62.

The spelling of 63780535052855 in words is "sixty-three trillion, seven hundred eighty billion, five hundred thirty-five million, fifty-two thousand, eight hundred fifty-five".